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[whatwg] Processing the zoom level - MS extensions to window.screen

From: Kevin Marks <kevinmarks@gmail.com>
Date: Tue, 23 Nov 2010 16:53:20 -0800
Message-ID: <AANLkTikBM56uJLQcvOhXsVBJoRzy9ZC7058bb7aJmxfA@mail.gmail.com>
Well, if we care about doing video processing with Canvas, understanding
anamorphic pixels is needed.

On Tue, Nov 23, 2010 at 4:50 PM, Robert O'Callahan <robert at ocallahan.org>wrote:

> On Wed, Nov 24, 2010 at 1:24 PM, Kevin Marks <kevinmarks at gmail.com> wrote:
>
>> Most video displays have non-square pixels. Standard definition video
>> processing resolutions are 720 by 480 for NTSC and 720 by 576 for PAL though
>> both are 4 by 3 aspect ratio.
>> You can argue whether tv standards count as modern, but there are a lot
>> out there.
>>
>
> Yeah, I slipped in "modern" to exclude examples that don't fit my argument
> :-).
>
> But seriously, GUI platforms and applications used to support non-square
> pixel aspect ratios (e.g. Windows in the CGA/EGA era), but no longer do.
> That time has passed.
>
> Rob
> --
> "Now the Bereans were of more noble character than the Thessalonians, for
> they received the message with great eagerness and examined the Scriptures
> every day to see if what Paul said was true." [Acts 17:11]
>
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